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Ado-trastuzumab emtansine
CAS NO.: 1018448-65-1
Chemical Formula: C6448H9948N1720O2012S44·(C47H62ClN4O13S)n
Molecular Weight: 148.5000
DMF&GMP status:
Ado-trastuzumab emtansine, formerly called Trastuzumab-DM1 (T-DM1) as an investigational drug, is a first-in-class HER2 antibody drug conjugate (ADC) comprised of Genentech’s trastuzumab antibody linked to ImmunoGen’s cell-killing agent, DM1. T-DM1 combines two strategies— anti-HER2 activity and targeted intracellular delivery of the potent anti-microtubule agent, DM1 (a maytansine derivative)—to produce cell cycle arrest and apoptosis. Ado-trastuzumab emtansine is marketed under the brand name Kadcyla and is indicated for use in HER2-positive, metastatic breast cancer patients who have already used taxane and/or trastuzumab for metastatic disease or had their cancer recur within 6 months of adjuvant treatment. The FDA label has two precautions. First that ado-trastuzumab emtansine and trastuzumab cannot be interchanged. Second that there is a black box warning of serious side effects such as hepatotoxicity, embryo-fetal toxicity, and cardiac toxicity.
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